Masses of delicate almost feathery pink flowers decorate the ends of the stems in summer of this easy to grow deciduous shrub spirea douglasii in a densely growing suckering shrub that is often used to fill in spaces in hedges or shrub borders its natural colonising habit enables it to form attractive thickets of growth that are then covered in the blooms during the summer height 250cm 409841 spread 250cm 409841